Home / 26,138.40-39,121.20-24,064.80

Finding the Fourth Proportional to 26,138.40, 39,121.20 and 24,064.80

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Solution

The fourth proportional to 26,138.40, 39,121.20 and 24,064.80 is: 36,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,138.40 : 39,121.20 = 24,064.80 : x
  2. Step 2: Convert to fraction form
    26,138.40/39,121.20 = 24,064.80/x
  3. Step 3: Cross multiply
    26,138.40x = 39,121.20 × 24,064.80
  4. Step 4: Simplify right side
    26,138.40x = 941,443,853.76
  5. Step 5: Solve for x
    x = 941,443,853.76/26,138.40
  6. Step 6: Final answer
    x = 36,017.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.